Liberty is a revised and expanded edition of the book that Isaiah Berlin regarded as his most important--Four Essays on Liberty, a standard text of liberalism, constantly in demand and constantly discussed since it was first published in 1969. Writing in Harper's, Irving Howe described it as "an exhilarating performance--this, one tells oneself, is what the life of the mind can be."
Berlin's editor Henry Hardy has revised the text, incorporating a fifth essay that Berlin himself had wanted to include. He has also added further pieces that bear on the same topic,...

Isaiah Berlin was born a century ago. One of the most celebrated British thinkers of the twentieth century, he was a tireless champion of freedom and diversity against control and conformity. His generous, open vision of life is displayed with special immediacy in his brilliant pen-portraits of contemporaries, Personal Impressions, in which he sees the point of radically differing personalities, enters into their distinctive outlooks, and describes his encounters with them, in arrestingly idiosyncratic prose. The Book of Isaiah turns the tables on Berlin, offering a series of personal...